[gnome-software] trivial: Add some error prefixes to debug an offline warning

[Richard Hughes <rhughes src gnome org>]

commit 4d515af430f43c164a1b7890c3b97febf7ae326c
Author: Richard Hughes <richard hughsie com>
Date:   Mon Aug 8 13:38:37 2016 +0100

    trivial: Add some error prefixes to debug an offline warning

 src/plugins/gs-flatpak.c |   24 ++++++++++++++++++------
 1 files changed, 18 insertions(+), 6 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index 4b63fe7..e872073 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -1276,12 +1276,16 @@ gs_flatpak_refine_app (GsFlatpak *self,
        gs_app_remove_quirk (app, AS_APP_QUIRK_COMPULSORY);
 
        /* AppStream sets the source to appname/arch/branch */
-       if (!gs_refine_item_metadata (self, app, cancellable, error))
+       if (!gs_refine_item_metadata (self, app, cancellable, error)) {
+               g_prefix_error (error, "failed to get metadata: ");
                return FALSE;
+       }
 
        /* check the installed state */
-       if (!gs_plugin_refine_item_state (self, app, cancellable, error))
+       if (!gs_plugin_refine_item_state (self, app, cancellable, error)) {
+               g_prefix_error (error, "failed to get state: ");
                return FALSE;
+       }
 
        /* version fallback */
        if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_VERSION) {
@@ -1295,30 +1299,38 @@ gs_flatpak_refine_app (GsFlatpak *self,
        /* size */
        if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_SIZE) {
                if (!gs_plugin_refine_item_size (self, app,
-                                                cancellable, error))
+                                                cancellable, error)) {
+                       g_prefix_error (error, "failed to get size: ");
                        return FALSE;
+               }
        }
 
        /* permissions */
        if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_PERMISSIONS) {
                if (!gs_plugin_refine_item_metadata (self, app,
-                                                    cancellable, error))
+                                                    cancellable, error)) {
+                       g_prefix_error (error, "failed to get permissions: ");
                        return FALSE;
+               }
        }
 
        /* origin */
        if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN) {
                if (!gs_plugin_refine_item_origin_ui (self, app,
-                                                     cancellable, error))
+                                                     cancellable, error)) {
+                       g_prefix_error (error, "failed to get origin: ");
                        return FALSE;
+               }
        }
 
        /* origin-hostname */
        if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN_HOSTNAME) {
                if (!gs_plugin_refine_item_origin_hostname (self, app,
                                                            cancellable,
-                                                           error))
+                                                           error)) {
+                       g_prefix_error (error, "failed to get origin-hostname: ");
                        return FALSE;
+               }
        }
 
        return TRUE;